package com.heima.behavior.service.impl;
import com.alibaba.fastjson.JSON;
import com.heima.common.constants.message.HotArticleConstants;
import com.heima.model.behavior.dtos.NewBehaviorDTO.BehaviorType;
import java.util.Date;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.LikesBehaviorDTO;
import com.heima.model.behavior.dtos.NewBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

@Service
@Slf4j
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {

    @Autowired
    ApBehaviorEntryService behaviorEntryService;

    @Autowired
    MongoTemplate mongoTemplate;

    @Autowired
    RabbitTemplate rabbitTemplate;

    @Override
    public ResponseResult like(LikesBehaviorDTO dto) {
        //1. 校验参数,点赞需要登录
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null){
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        // 2. 根据当前登录用户id查询行为实体对象
        ApBehaviorEntry behaviorEntry = behaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (behaviorEntry == null){
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID,"查询行为实体对象为空");
        }
        // 3. 如果是点赞操作  判断是否已经点过赞
        if (dto.getOperation() == 0){
            ApLikesBehavior likesBehavior = mongoTemplate.findOne(Query.query(Criteria.where("entryId").is(behaviorEntry.getId())
                    .and("articleId").is(dto.getArticleId())), ApLikesBehavior.class);
            if (likesBehavior != null){
                CustException.cust(AppHttpCodeEnum.DATA_EXIST,"已经点过赞");
            }
            /*// 查询不喜欢行为是否存在
            ApUnlikesBehavior unlikesBehavior = mongoTemplate.findOne(Query.query(Criteria.where("entryId").is(behaviorEntry.getId())
                    .and("articleId").is(dto.getArticleId())), ApUnlikesBehavior.class);
            // 如果存在  移除不喜欢行为
            if (unlikesBehavior != null){
                mongoTemplate.remove(Query.query(Criteria.where("entryId").is(behaviorEntry.getId()).and("articleId").is(dto.getArticleId())), ApUnlikesBehavior.class);
            }*/
            // 4. 没有点过赞则 像mongo点赞集合中 添加点赞数据
            likesBehavior = new ApLikesBehavior();
            likesBehavior.setEntryId(behaviorEntry.getId());
            likesBehavior.setArticleId(dto.getArticleId());
            likesBehavior.setCreatedTime(new Date());
            mongoTemplate.insert(likesBehavior);
        } else {
            // 5. 如果是取消点赞操作  在mongo点赞集合中 删除对应点赞数据
            mongoTemplate.remove(Query.query(Criteria.where("entryId").is(behaviorEntry.getId()).and("articleId").is(dto.getArticleId())), ApLikesBehavior.class);
        }
        //*****添加文章点赞-发送消息******
        NewBehaviorDTO mess = new NewBehaviorDTO();
        mess.setType(BehaviorType.LIKES);
        mess.setArticleId(dto.getArticleId());
        mess.setAdd(dto.getOperation() == 0 ? 1 : -1);
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, mess);
        log.info("点赞行为 发送消息 ==>{}",mess);

        return ResponseResult.okResult();
    }
}

